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Dysphagia After Primary Transoral Robotic Surgery With Neck Dissection vs Nonsurgical Therapy in Patients With Low- to Intermediate-Risk Oropharyngeal Cancer.


ABSTRACT: Importance:A major goal of primary transoral robotic surgery (TORS) for oropharyngeal cancer is to optimize swallowing outcomes by personalized treatment based on pathologic staging. However, swallowing outcomes after TORS are uncertain, as are the outcomes compared with nonsurgical options. Objectives:To estimate rates of acute dysphagia and recovery after TORS and to compare swallowing outcomes by primary treatment modality (TORS or radiotherapy). Design, Setting, and Participants:This case series study was a secondary analysis of prospective registry data from 257 patients enrolled from March 1, 2015, to February 28, 2018, at a single academic institution who, according to the AJCC Staging Manual, 7th edition TNM classification, had low- to intermediate-risk human papillomavirus-related oropharyngeal squamous cell carcinoma possibly resectable by TORS. Exposure:Patients were stratified by primary treatment (75 underwent TORS and 182 received radiotherapy). Main Outcomes and Measures:Modified barium swallow (MBS) studies graded per Dynamic Imaging Grade of Swallowing Toxicity (DIGEST) and the MD Anderson Symptom Inventory-Head and Neck Module (MDASI-HN) questionnaires were administered at standard intervals. Prevalence and severity of dysphagia were estimated per DIGEST before and after TORS and 3 to 6 months after treatment. Moderate-severe dysphagia (DIGEST grade ?2) was assessed using logistic regression and compared by primary treatment group. The MDASI swallowing symptom severity item scores during and after radiotherapy were compared using generalized estimating equations by treatment status at the start of radiotherapy, after induction, and after TORS. Results:A total of 257 patients (mean [SD] age, 59.54 [9.07] years; 222 [86.4%] male) were included in the study. Dysphagia severity (per DIGEST) was significantly worse after TORS (r?=?-0.63; 95% CI, -0.78 to -0.44): 17 patients (22.7%; 95% CI, 13.8%-33.8%) had moderate-severe (DIGEST grade ?2) acute post-TORS dysphagia significantly associated with primary tumor volume (odds ratio, 1.43; 95% CI, 1.11-1.84). DIGEST improved by 3 to 6 months but remained worse than that at baseline; at 3 to 6 months, the number of patients with DIGEST grade 2 or higher dysphagia was 5 (6.7%; 95% CI, 2.2%-14.9%) after primary TORS and 29 (15.9%; 95% CI, 10.9%-22.1%) after radiotherapy. At the start of radiotherapy, MDASI swallowing symptom severity item scores were significantly worse in the post-TORS group compared with postinduction (mean [SD] change, 2.6 [1.1]) and treatment-naive (mean [SD] change, 1.7 [0.3]) patients. This result inverted at radiotherapy end, and all groups converged at 3 to 6 months. Conclusions and Relevance:Subacute swallowing outcomes were similar regardless of primary treatment modality among patients with low- to intermediate-risk oropharyngeal squamous cell carcinoma.

SUBMITTER: Hutcheson KA 

PROVIDER: S-EPMC6763976 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Dysphagia After Primary Transoral Robotic Surgery With Neck Dissection vs Nonsurgical Therapy in Patients With Low- to Intermediate-Risk Oropharyngeal Cancer.

Hutcheson Katherine A KA   Warneke Carla L CL   Yao Christopher M K L CMKL   Zaveri Jhankruti J   Elgohari Baher E BE   Goepfert Ryan R   Hessel Amy C AC   Kupferman Michael E ME   Lai Stephen Y SY   Fuller C David CD   Gunn G Brandon GB   Garden Adam S AS   Johnson Faye F   Ferrarotto Renata R   Lewin Jan S JS   Gross Neil D ND  

JAMA otolaryngology-- head & neck surgery 20191101 11


<h4>Importance</h4>A major goal of primary transoral robotic surgery (TORS) for oropharyngeal cancer is to optimize swallowing outcomes by personalized treatment based on pathologic staging. However, swallowing outcomes after TORS are uncertain, as are the outcomes compared with nonsurgical options.<h4>Objectives</h4>To estimate rates of acute dysphagia and recovery after TORS and to compare swallowing outcomes by primary treatment modality (TORS or radiotherapy).<h4>Design, setting, and partici  ...[more]

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